#ifndef MUDUO_BASE_COPYABLE_H
#define MUDUO_BASE_COPYABLE_H

namespace muduo
{

	/// A tag class emphasises the objects are copyable.
	/// The empty base class optimization applies.
	/// Any derived class of copyable should be a value type.
	class copyable
	{
	};

};

#endif  // MUDUO_BASE_COPYABLE_H
